Earth Bullet

You hurl a small rock sphere from the ground at a creature or object within range. Make a ranged spell attack against the target. On a hit, the target takes 1d8 bludgeoning damage, if you are in proximity to lava, it deals an additional 1d4 fire damage, And if a flammable object hit by the lava ignites if it isn't being worn or carried.

In case of a critical hit, the target must succeed on a constitution roll or be stunned until the end of its next turn.

This spell's damage increases by 1d8 and 1d4 when you reach 5th level (2d8,2d4), 11th level (3d8,3d4), and 17th level (4d8,4d4).